Section 7
SEC. 7. It shall be the duty of the Collector of Customs to see to the strict enforcement of the provisions of this Act. The violation of any of the provisions hereof shall be punished in accordance with the seriousness of the offence, after administrative proceedings before the Collector of Customs begun by him or at the instance of the Director of Posts, with a fine of five hundred pesos imposed upon the shipowner or the suspension of the license of the master of the vessel concerned.